Results 241 to 250 of about 21,053 (305)
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Auditory startle reflex and startle reflex to somatosensory inputs in generalized dystonia
Clinical Neurophysiology, 2015Startle reflex is a generalized defense reaction after unexpected auditory, visual, or tactile stimuli. Auditory startle reflex (ASR) and startle reflex to somatosensory inputs (SSS) have never been studied in generalized dystonia. Here, we aimed to study the characteristics and changes of ASR and SSS in this group.We have examined ASR and SSS in ...
Kiziltan, Meral E. +4 more
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The Journal of the Acoustical Society of America, 1995
Directional hearing in fish is a poorly understood phenomenon, whose complexity makes it difficult to analyze. The directional, Mauthner cell mediated, startle response, which does not involve the CNS, is considerably simpler and more amenable to analysis but may still provide insight into the algorithms and mechanisms for more general directional ...
Peter H. Rogers +2 more
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Directional hearing in fish is a poorly understood phenomenon, whose complexity makes it difficult to analyze. The directional, Mauthner cell mediated, startle response, which does not involve the CNS, is considerably simpler and more amenable to analysis but may still provide insight into the algorithms and mechanisms for more general directional ...
Peter H. Rogers +2 more
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Quantification of the auditory startle reflex in children
Clinical Neurophysiology, 2009To find an adequate tool to assess the auditory startle reflex (ASR) in children.We investigated the effect of stimulus repetition, gender and age on several quantifications of the ASR. ASR's were elicited by eight consecutive auditory stimuli in 27 healthy children.
Bakker, Mirte J. +6 more
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The acoustic startle reflex: neurons and connections
Brain Research Reviews, 1995The startle reflex protects animals from blows or predatory attacks by quickly stiffening the limbs, body wall and dorsal neck in the brief time period before directed evasive or defensive action can be performed. The acoustic startle reflex in rats and cats is mediated primarily by a small cluster of giant neurons in the ventrocaudal part of the ...
J S, Yeomans, P W, Frankland
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Effect of Hunger on the Acoustic Startle Reflex
Psychological Reports, 1984There are conflicting reports concerning the effect of intensity of appetitive drive on the acoustic startle reflex. Eight rats were tested for acoustic startle, using a within-subjects design, while under either 0 or 20 hr. food deprivation. No over-all significant effect was found, although 0-hr. deprivation showed greater startle on the last day of
H L, Armus, K A, Isham
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Audiogenic startle reflex in acute hemiplegia
Neurology, 1997The generators of the audiogenic startle reflex (ASR) are located in the bulbopontine reticular formation. We studied the influence of acute vascular supratentorial lesions on ASR. Ten patients with hemiplegia due to hemispheric cerebral infarct were studied within 5 days of stroke onset.
Voordecker, Philippe +4 more
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The audiogenic startle reflex in Tourette's syndrome
Biological Psychiatry, 1997The motor response pattern of the audiogenic startle reflex was studied in 15 Tourette's syndrome (TS) patients and 15 normal, age-matched control subjects, using auditory stimuli at 88 and 114 dB. The louder stimuli readily elicited responses in the orbicularis oculi (in all subjects), masseter, sternomastoid, trapezius, deltoid, and biceps (in most ...
P S, Sachdev, K Y, Chee, A M, Aniss
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Startle Reflex Modification: Emotion or Attention?
Psychophysiology, 1990ABSTRACTAlternative interpretations of startle probe modulation by a pictorial foreground were tested: Either reflex amplitude varies as a function of modality‐determined attention allocation, or, regardless of probe modality, reflex amplitude varies with the emotional valence of the foreground content. Thirty‐six subjects viewed a series of 54 slides,
M M, Bradley, B N, Cuthbert, P J, Lang
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Acoustic Startle Reflex and Prepulse Inhibition
Current Protocols in Mouse Biology, 2012AbstractThe completion of genome sequencing in humans and mice has opened new opportunities to study the relationship between gene expression and behavior and for development of novel therapeutic approaches for brain diseases. Recently, several international programs for large‐scale production and phenotyping of genetically modified mice have been ...
Abdel Mottalib, Ouagazzal +1 more
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